it uses that to train u to read faster. the basic idea is to get u to recognize words as shapes, rather than reading actual letters and forming them into syllables and then into words. they flash words at you at the speed u want, till ur used to it and can retain the info. then you do two words at a time, then more and more and more. that way u end up being able to see “the shape” of sentences and percieve them as text rather than reading them. i honestly wouldnt mind being able to realistically read like 200+ wpm. im gonna try to see what the fastest speed is that i can keep up with, then try two words at the same time. the text itself doesnt matter. read whatever, its mainly the repetition of that that would do it for ya.